{"url":"https://masanori-yumoto.hatenadiary.org/entry/20110705/1309841111","height":"190","author_name":"masanori-yumoto","author_url":"https://blog.hatena.ne.jp/masanori-yumoto/","blog_url":"https://masanori-yumoto.hatenadiary.org/","provider_name":"Hatena Blog","categories":["\u30b7\u30b9\u30c6\u30e0\u5b66","\u8a8d\u77e5\u5b66"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmasanori-yumoto.hatenadiary.org%2Fentry%2F20110705%2F1309841111\" title=\"\u548c\u3068\u7a4d\u3068\u306e\u3042\u3044\u3060\u306e\u5909\u63db - \u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u8003\u3048\u308b\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u30aa\u30a4\u30e9\u30fc\u306e\u516c\u5f0f\u3092\u3054\u7d39\u4ecb\u3057\u305f\u3064\u3044\u3067\u306b\u3001\u30aa\u30a4\u30e9\u30fc\u306e\u516c\u5f0f\u306e\u300c\u5f79\u306b\u7acb\u3064\uff1f\u300d\u5229\u7528\u65b9\u6cd5\u3092\u6539\u3081\u3066\u66f8\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 \u7a81\u7136\u3067\u3059\u304c\u3001\u4e09\u89d2\u95a2\u6570\u306e\u548c\u3068\u5dee\u306e\u516c\u5f0f\u3092\u899a\u3048\u3066\u3044\u3089\u3063\u3057\u3083\u3044\u307e\u3059\u304b\uff1f \u305f\u3068\u3048\u3070\u3001cos(x+y)=? \u3068\u304b\u3001sin(x+y)=? \u3068\u304b\u3067\u3059\u3002\u79c1\u306f\u5168\u304f\u899a\u3048\u3066\u3044\u307e\u305b\u3093\u306e\u3067\u3001\u4eca\u3001\u3053\u3053\u3067\u8a08\u7b97\u3057\u3066\u307f\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002\u305d\u306e\u6642\u306b\u3001\u30aa\u30a4\u30e9\u30fc\u306e\u516c\u5f0f\u3092\u4f7f\u3063\u3066\u307f\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002\u305d\u306e\u524d\u306b\u3001\u3061\u3087\u3063\u3068\u3060\u3051\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002\u4e0a\u3067\u3001cos(x+y)\u3068\u304b\u304d\u307e\u3057\u305f\u304c\u3001\u3053\u306ex\u3068y\u306f\u3001\u4ee5\u524d\u306b\u66f8\u3044\u305fxy\u5e73\u9762\u306ex,y\u3068\u306f\u3001\u4f55\u306e\u95a2\u4fc2\u3082\u3042\u308a\u307e\u305b\u3093\u3002\u3064\u307e\u308a\u3001x,y\u3067\u306f\u306a\u304f\u3001a,b\u3068\u3057\u3066\u3082\u3088\u3044\u3067\u3059\u3002\u5909\u6570\u3092\u793a\u3059\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u306f\u4f55\u3067\u3082\u3044\u3044\u306e\u3067\u3059\u304c\u3001\u6570\u5b66\u3067\u306f\u2026","blog_title":"\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u8003\u3048\u308b","type":"rich","width":"100%","version":"1.0","published":"2011-07-05 13:45:11","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/m/masanori-yumoto/20110703/20110703151704.png","provider_url":"https://hatena.blog","title":"\u548c\u3068\u7a4d\u3068\u306e\u3042\u3044\u3060\u306e\u5909\u63db"}